Merge pull request #1059 from PowerShell/TeeObjectTests

Add Unit Test For Tee-Object

test/powershell/Tee-Object.Tests.ps1

@@ -19,3 +19,30 @@ Describe "Tee-Object" {
 	    }
     }
 }
+
+Describe "Tee-Object DRT Unit Tests" -Tags DRT {
+    BeforeAll {
+        $tempFile = Join-Path $TestDrive -ChildPath "TeeObjectTestsTempFile"
+    }
+    It "Positive File Test" {
+        $expected = "1", "2", "3"
+        $results = $expected | Tee-Object -FilePath $tempFile
+        $results.Length | Should be 3
+        $results | Should Be $expected
+        $content = Get-Content $tempFile
+        $content | Should Be $expected
+    }
+
+    It "Positive Variable Test" {
+        $expected = "1", "2", "3" 
+        $varName = "teeObjectTestVar"
+        $results = $expected | Tee-Object -Variable $varName
+        $results.Length | Should be 3
+        $results | Should Be $expected
+        
+        $results = Get-Variable -Name $varName -ValueOnly
+        $results.Length | Should be 3
+        $results | Should Be $expected
+    }
+
+}